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Genetics

TermDefinition
ribosomes makes proteins using directions from DNA
traits different forms of a characteristic (dimples: present or absent)
recessive trait that hides in the background (lowercase letter) can only be expressed in homozygous form (dd)
heredity passing of physical characteristics from parents to offspring
genetics scientific study of heredity
mitosis cell reproduction - when one body cell becomes two
homozygous two alleles/letters for one trait that are the same (DD or dd)
genotype combination of alleles (letters): DD, Dd, dd
gene factor that controls a trait you exhibit
nucleous contains DNA and controls cell activities
proteins building blocks of cells that control your specific characteristics
alleles letters that represent the different forms of a gene (dimples: D=present, d=absent)
dominent trait that overshadows and is expressed (capital letter)
phenotype physical appearance of a trait (ex: dimples, no dimples)
heterozygous two alleles/letters for one trait that are different (Ex: Dd)
meiosis produces four sex cells, sperm or egg that are used to pass a parent's traits to offspring
DNA contains your genes
this trait would be represented by a "B" or "D" or "Z" dominent
this trait would be represented by a "b" or "d" or "z" recessive
BB or bb; DD or dd; ZZ or zz would represent a recessive genotype
Bb, Dd, and Zz would represent a dominant genotype
Law of Segregation two parts of a gene pair of alleles separate from each other in the formation of sex cells. Half of the sex cells carry one allele and the other half carry the other allele
Law of Independent Assortment traits are passed on independently of traits from parent to offspring
two alleles/letters for one trait that are different heterozygous
the letters that represent different forms of a gene alleles
two alleles/letters for one trait that are the same homozygous
combination of alleles geneotype
Created by: garrettrojo
 

 



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